<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>聊天室</title>
</head>
<body>
<h1>你好</h1>
<h3>${user.username}</h3>
<form action="${rc.contextPath}/msg/talkLogin" method="post">
    <select name="userId">
        <option value="${user.userId}">${user.username}</option>
    </select>
    <br>
    <input type="submit" value="登录聊天室">
</form>


</body>
</html>